The grandson of the notorious bandit El Toro witnesses the murder of his parents by men trying to hijack the gold they were carrying. After El Toro saves the life of Hop-a-long Cassidy, Cassidy agrees to find and protect the boy, who is in hiding from the killers, whom he can identify. Cassidy and his partner Johnny Nelson, with the help of friendly bartender Spike, try to save the boy and bring down the man behind the gold robbery. (thetvdb.com)